The typical asking rate per listing is in the $30's per square foot per year. The West Berkeley region is going through a a boost in rates. In the last 3 months, the median rate increased $40 per sqft per year.
Compared to the rest of the East Bay market, the West Berkeley submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 13 listings have been made available, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 131% of the available leases in the West Berkeley are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,950 sqft. Most properties in this region are around 2 stories. Most buildings in this region were built in 1966 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Agriculture is the dominant industry in this market. Commute by walking is the most popular way to get to work amongst West Berkeley occupants. Commuting approximately 10 minutes a day is the norm for those who opt to reside in this part of town.